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Digitale Medien

Photochemische Reaktionen. 31. Mitteilung. [1]. Die photochemische Isomerisierung von C(-10)-diastereomeren 3-Oxo-Δ1;5-Steroiden (1965)

Nann, B. ; Wehrli, H. ; Schaffner, K. ; [weitere]

New York, NY : Wiley-Blackwell

Helvetica Chimica Acta 48 (1965), S. 1680-1712

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Details

ISSN: 0018-019X

Schlagwort(e): Chemistry ; Organic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The photochemical transformation of 3-oxo-17β-acetoxy-Δ1;5-androstadiene (2) and its 10α-diastereoisomer 7 has been investigated. With low conversion of 2, an isomer was produced for which structure 8 (6β-H) is proposed. After longer photolysis times, both compounds, 2 and 8, were consumed, and the four stereoisomeric photoproducts 9-12 were obtained. Products 9 and 10 on one hand, and 11 and 12 on the other, are photochemically interconvertible. Dienone 7 yielded a very similar product mixture from which ketones 10 and 12 could be isolated. Further, the presence of a dienone isomer was demonstrated to which structure 8 (6α-H) is assigned.

Zusätzliches Material: 6 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/hlca.19650480729

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